Flink 720,000 events per second per core 690,000 with checkpointing activated

Storm With at-least-once: 2,600 events per second per core

GCE 30 instances with 4 cores and 15 GB of memory each. Flink master from July, 24th, Storm 0.9.3. All the code used for the evaluation can be found here. Flink 1.5 million elements per second per core Aggregate Throughput in cluster 182 million elements per second. Storm 82,000 elements per second per core Aggregate 0.57 million elements per second Storm with Acknowledge 4,700 elements per second per core, Latency 30-120 milliseconds Trident: 75,000 elements per second per core

Till Rohrmann – Fault Tolerance and Job Recovery in Apache Flink

3.
Better be safe than sorry
 Failures will happen
 EMC estimated $1.7 billion costs due to
data loss and system downtime
 Recovery will save you time and costs
 Switch between algorithms
 Live upgrade of your system
3